Re: formatting a 12.73 Tb disk on ROCKS 5.2

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On Thu, May 9, 2013 at 1:34 PM, Mike Burger <mburger@xxxxxxxxxxxxxxxxx>wrote:

> > I was going to use parted and create a partition, but I don't know what
> to
> > use for the end point.
> >
> > Model: AMCC 9650SE-16M DISK (scsi)
> > Disk /dev/sda: 14.0TB
> > Sector size (logical/physical): 512B/512B
> > Partition Table: gpt
> >
> >
> > On Thu, May 9, 2013 at 11:44 AM, <m.roth@xxxxxxxxx> wrote:
> >
> >> Doll, Margaret Ann wrote:
> >> > I used the BIOS setting to create the raid system.  I couldn't format
> >> it,
> >> > so I ran fdisk, deleted the partition and created a new partition.
> >> The
> >> > new partition with fdisk was approximately the same size as the
> >> original
> >> > partition created by the BIOS.
> >>
> >> Ok, I don't know what you mean by the BIOS setting - on what? Is this
> >> attached to a server, or is this an "appliance"? If the former, do you
> >> mean the firmware for an HBA?
> >>
> >> At any rate, you *cannot* use fdisk to do anything with this. There are
> >> hard-coded limits with fdisk - you *must* use either parted (which is
> >> user
> >> surly, if not outright hostile) or gparted (the GUI version, which is,
> >> well, ok). And you must specify that the partition table - there is no
> >> MBR
> >> as we know it, for something this big - must be GPT, not MBR.
> >>
> >>       mark
> >> >
> >> > On Thu, May 9, 2013 at 11:19 AM, <m.roth@xxxxxxxxx> wrote:
> >> >
> >> >> Doll, Margaret Ann wrote:
> >> >> > I have a raid-5, /dev/sda on a NAS node that has 12.73 Tb of space.
> >> >> >
> >> >> > mkfs xfs /dev/sda1
> >> >> > mke2fs 1.39 (29-May-2006)
> >> >> > mkfs.ext2: invalid blocks count - /dev/sda1
> >> >> >
> >> >>
> >> >> Question 1: Margaret - did you use parted or gparted, or fdisk, or
> >> some
> >> >> NAS utility to create the logical partition? If anything other than
> >> an
> >> >> HBA
> >> >> controller, you've cannot use fdisk, which cannot deal with anything
> >> >> larger than 2TB.
> >> >>
> >> >>         mark
> >> >>
> >> >> > I can use
> >> >> >
> >> >> > mkfs.ext3 /dev/sda1 works, but it only formats the first 2Tb of
> >> space.
> >> >> >
> >> >> > filesystem            Size  Used Avail Use% Mounted on
> >> >> > /dev/sdb1              19G  2.8G   16G  16% /
> >> >> > /dev/sdb5             875G  200M  830G   1% /state/partition
> >> >> > /dev/sdb2             4.8G  184M  4.4G   5% /var
> >> >> > tmpfs                 3.9G     0  3.9G   0% /dev/shm
> >> >> > /dev/sda1             2.0T  199M  1.9T   1% /bigdisk1
> >> >> >
> >> >> > How do I get the complete raid system formatted?
> >> >> >
> >> >> > Thanks
>
> There's another option, altogether.
>
> Skip gparted, altogether, and use LVM. Set the entire /dev/sda as an LVM
> physical volume (instead of creating any partitions on it), add the PV to
> a volume group, and then build filesystem(s) out using logical volume(s),
> instead.
>

More details please.  I want just one giant partition of 12 Tb or more when
I am finished.

>
> --
> Mike Burger
> http://www.bubbanfriends.org
>
> "It's always suicide-mission this, save-the-planet that. No one ever just
> stops by to say 'hi' anymore." --Colonel Jack O'Neill, SG1
>
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